Exothermic Reaction (41/505)

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POTASSIUM REACTS EXPLOSIVELY WITH WATER
Elemental Potassium in Beaker of Water.
An exothermic displacement reaction between elemental Potassium and water producing aqueous Potassium Hydroxide and Hydrogen gas. Phenolphthalein indicator in the water turns pink as the solution becomes basic with the formation of Potassium Hydroxide.